Lone Tree Mine

Lone Tree Mine is a surface gold mine in Humboldt County, Nevada, near Valmy. MSHA lists its status as active since Dec 7, 2011 and records 52 employees. It is one of 57 gold mines in Nevada that are not marked abandoned, and one of 7 in Humboldt County; by employees it ranks 29 of 54 in the state.

Facts

MSHA status
Active since Dec 7, 2011
Type
Surface
County
Humboldt County
State
Nevada
Land status (BLM data)
Private land or land not mapped as public
Nearest town
Valmy
Employees reported
52
Operator
Goldcorp DEE LLC
Coordinates
40.8475, -117.2042
MSHA mine ID
2602159

Source: MSHA Mines data set, retrieved 2026-10-13. Status and counts can lag real operations.

Land status comes from the BLM Surface Management Agency dataset and can be out of date. Check ownership before you go near any mine site.

History and geology (USGS)

USGS site name
Stonehouse Adits
USGS status
Unknown
Commodities
Manganese, Gold

Matched by location to the USGS Mineral Resources Data System record 10295391 (retrieved 2026-10-13). The database was last updated around 2011, so history may be out of date.

Gold mines nearby